HERZ Differential Pressure Controller – Cast Iron Body (F 4007 Series)
Flanged differential pressure controller maintaining constant system pressure balance.
HERZ CAST IRON DOUBLE DOOR (DUAL PLATE) CHECK VALVE
The HERZ 2622-3X Dual Plate Check Valve from HERZ Armaturen is a wafer-type non-return valve designed for compact installation between flanges. Its spring-loaded double-disc design ensures rapid closure, reducing water hammer and maintaining flow efficiency.
Constructed from cast iron (GG25) with CF8 stainless-steel discs and EPDM seats, it meets EN 12334 standards and operates reliably in both hot and cold-water applications.
Powder epoxy coating provides corrosion protection for long-term performance in HVAC, district energy, and water distribution systems.
- 🔹 Body: Cast iron (GG25)
- 🔹 Discs: Stainless steel (CF8)
- 🔹 Seat: EPDM
- 🔹 Spring / Pin / Bearings: Stainless steel
- 🔹 Nominal Pressure: PN16
- 🔹 Temperature Range: -10°C to +110°C
- 🔹 Connection: Wafer type (EN 1092-2 flange pattern)
- 🔹 Design Standard: EN 12334
- 🔹 Coating: Blue epoxy (RAL5000)
- 🔹 Sizes: DN65–DN600
- 🔹 Kvs Range: 110–15,752
- 🔹 Compact wafer-type body saves installation space.
- 🔹 Spring-assisted plates minimize water hammer.
- 🔹 Durable stainless-steel internals.
- 🔹 Suitable for horizontal and vertical installation.
- 🔹 Low pressure loss and fast closing response.
- 🔹 Central HVAC and chilled water systems.
- 🔹 Water treatment and pump stations.
- 🔹 District heating and cooling networks.
- 🔹 Industrial water and process piping.
Other Products From HERZ Armaturen
HERZ DUCTILE IRON Y-STRAINER
High-strength ductile iron flanged Y-strainer for high-pressure HVAC and water systems
HERZ CAST IRON SWING CHECK VALVE
Flanged cast iron swing check valve for water and HVAC systems up to PN16.
HERZ BRONZE SWING CHECK VALVE
Compact bronze swing check valve for HVAC, chilled water, and domestic systems